lower tax rates increase growth. lower tax rates. >> now you're jack kennedy. >> well that was interruption. that was also a put-down and vice president biden woos factually wrong. jfk, ronald reagan, george w. bush, all of them tax rates, and the end result was a an increase in money flowing to the treasury. revenues went up when tax rates went down. joe biden was wrong. jamie: stu varney doing fact check for us this morning. bill: last night the twitter verse was going nuts. the thing was going to explode if it went more. that line was the most tweeted comment last night. one minute after the line about jack kennedy, 58,000 tweets. that is what was going on out there. jamie: it is a talker. bill: we're just getting started. some on the right feeling vice president biden interrupted congressman ryan too much. we'll can the romney team this morning about all the morning after. jamie: sarah palin knows exactly what it is like to debate joe biden. ahead we'll get her reaction. bill: vice president's biden and laffer an